Home / 55,998,437.40-83,997,656.10-47,778,816.60

Finding the Fourth Proportional to 55,998,437.40, 83,997,656.10 and 47,778,816.60

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Solution

The fourth proportional to 55,998,437.40, 83,997,656.10 and 47,778,816.60 is: 71,668,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998,437.40 : 83,997,656.10 = 47,778,816.60 : x
  2. Step 2: Convert to fraction form
    55,998,437.40/83,997,656.10 = 47,778,816.60/x
  3. Step 3: Cross multiply
    55,998,437.40x = 83,997,656.10 × 47,778,816.60
  4. Step 4: Simplify right side
    55,998,437.40x = 4,013,308,605,631,771
  5. Step 5: Solve for x
    x = 4,013,308,605,631,771/55,998,437.40
  6. Step 6: Final answer
    x = 71,668,224.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.